Roleset flee.01 Verbnet Class: NONE "run away (from)":

Roles:

Arg0:fleer, runner


Arg1:fled--person or place

Examples:

person: ns tense: past aspect: ns voice: active form: full


flee an NP (-)
That's largely because of defensive measures they adopted after the 1987 crash, when individual investors fled the market *trace* and trading activity dwindled .
Arg0:	individual investors
REL:	fled
Arg1:	the market
ArgM-TMP:	*trace* -> when -> the 1987 crash

person: ns tense: ns aspect: ns voice: ns form: infinitive


flee with destination PP (-)
The dispute started when China, angry that Hong Kong had allowed dissident swimmer Yang Yang to flee to the U.S., halted the usual daily transfer of illegal immigrants caught in this British colony, which reverts to Beijing's control in 1997.
Arg0:	dissident swimmer Yang Yang
REL:	flee
Arg1-to:	the U.S.

person: ns tense: past aspect: ns voice: active form: full


flee with source PP (-)
Many takeover stocks plunged Friday, as speculators retained their confidence in corporate buyers but fled from the socalled whisper stocks, the targets of rumored deals.
Arg0:	speculators
REL:	fled
Arg1-from:	the socalled whisper stocks, the targets of rumored deals

I don't believe you can get both a source and destination, so they can be merged into a single arg1.